Cultivator



(No Model.) i 2 Sheets-Sheet 1.

' F. K.. ORVIS.

A GULTIVATOR. 8 No. 275,846. Patented Apr. 17,1883.

WSJ/messes; Inveaj' (No Model.) f 2 Sheets-Sheet 2. F. K. ORVIS.

GULTIVATOR. No. 275,846. Patented Apr.17,1883.

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FRANKLIN K. ORVIS,

EETCE.

PATENT OF DIXON, ILLINOIS.

CULTIVATOR..

SPECIFICATION formingpart of`Letters Patent No. 275,846, dated April 17,1883.

i Application tiled October 9, 1882. (No model.)

To all whom it may concern Be it known that I, FRANKLIN K.Oav1s,residing at Dixon, in the county of Lee and State of Illinois, and acitizen of the lUnited States, haveinvented new and uset'ul Improvementsin Cultivators, of which the following is a full description, referencebeing had to the accompanying drawings, in which- Figure l is a sideelevation with one wheel removed Fig. 2, a rear elevation of the frame,and Fig. 3 a top or plan view ot1 the frame.

The object of this invention is to improve the construction andoperation of two-wheeled tongueless straddle row cultivators ot theclass commonly known as parallel cultivators; and its nature consists inthe attachment of side frames pivotally to the central arch, at theupper and lower extremitiesof the arch, and in the several combinationsof parts hereinafter set forth and claimed as new.

In the drawings,Aindicates ordinary wheels; B, ordinary iron plow-beamsprovided with the usual shovel-plows and handles; C, the rocking plateor bar, to which the beams are attached; D, the pivoted side frames; E,the connecting central arch; F, hang-up hook; G, hangup loop; a.,drawbars; b, spindleplates; c, wheel-spindles; d, bolts; e, eyes orjoints for the side frames, D; f, rear projections attached to theframes D; g, rod or bar conncting the armsf; h, attachments for the barl The wheels A and the plow-frames B, with their attachments and parts,may be made of any of the ordinary forms or shapes used for straddle-rowcultivators, the form shown being the usual one for iron beams. Thesebeams are attached to the plate or bar C by a pivot or pivotal bolt,whereby the vertical movements for the shovels are obtained, and thelateral movements for the shovels are obtained by the rocking et theplate C in its supporting couplings or attachments h. The uppercouplings, It, are extended rearwardly and downwardly, so as to form thehang-np hooks F,and these couplings h are made of forks, with a boltbehind, or in halves, so that by loosening their fastening-bolts, theymay be moved along the horizontal portions of the frames D and reset, soas to adjust the space between the plow-beams B or the inner shovels otthe beams, as may be desired.

The frame or arch is formed by attaching two swinging or pivoted sideframes to the central areh,E. The arch proper, E,is best made ot' roundiron bent into theform shown in Fig. 2, and its lower ends are providedwith pins or screw-nuts to prevent the side frames, D,

from working ott. The swinging frames D are made alike, and would beinterchangeable eX- cept for the bringing ofthe arm f on the wrong sideot' the central arch, and they are made preferably of flat bar-iron, asshown; butthey may be made ot' round iron fiattened in the necessaryplaces. They are provided with eyes or holes e, through which thecentral arch, E, passes, and they are nearly ot' the same height as thecentral arch, as shown in Fig. 2, the top resting against the turn ot'the arch and supporting it, and thepbottom holding the lower ends ofthecentral arch, which arrangementpermitsofafree swingingmovementoftheFrames D, and strongly supports the side frames and the central arch inposition, and byspreading the joints e from the top to the bottom ot'the arch I avoid the strain which comes upon the lower end ot' the archwhen it is made in the form of a bow and supported only at or near thelower end. By my arrangement this connection ceases to be a bow, theconnections being made at the top and bottom, as shown.

The parts or spindle-connections b are best made of malleable cast-iron,and the drawbars a may be made of the same material, or of wrought-ironforged substantially into the form shown. These parts are made so as notonly to form the wheel and draft-connections, but also a clip to attachthem to the frame D by means ot' the bolts d, the-setting of the boltsclamping the parts a b against the outer bar or part of the frame D. Itwill be evident that these spindle connections may be adjusted up anddown upon the swinging frame; but ordinarily the proper adjustment willbe made at the shop and will not require changing, as the rocking platesC are provided with holes for raising or lowering the front ends of theplow-beams.

The frames D are provided with rear projections,f, which have holes attheir rear ends, into which turned or curved ends of the rod or bar gare placed. This arrangement of the rod g and arms fwith the arch E andswinging frames D permits of a free movement of the hinges orconnections e and keeps the wheels moving in lines parallel to eachother, although one may be drawn somewhat in advance 0f the other, as inthis class ot' cultivators each horse practically draws its own sideofthe machine.

The length of the draw-bars a prevents the arch-frame from tippingforward or back, and prevents it from tipping backward when theplow-beams are hook'ed up and the machine is under motion, and when notunder motion the hang-up hook of the plow-beams will tip the framebackward. This may be remedied; but as it results in no inconvenience ordifficulty I do not deem it an imperfection.

The form shown for connecting the swinging side frames and the centralarch is the one which I deem best; but it is evident that by making thearch E wider it may be made to enter the swinging frames nearer thewheels, and so as to bring the rocking plates C inside of the verticalparts of the arch. )Vith this construction it has the advantage of beingsomewhat more easily guided by the horses.

By making the draft-bars a of a considerable length, as shown, themachine runs steadier, and is less liable to get doubled up or have theplow-beams come in contact with each other in getting around the ends ofthe plantrows.

Heretofore a cultvator has been composed of two arches arranged parallelto each other, with wheel-carriages hinged to the lower ends of thearches, whereby the wheel -carriages have independent forward andbackward movements. Such, however, does not constitute my invention andis not claimed by me.

What claim as new, and desire to secure by Letters Patent, is-

l. The combination of the arch E and the side frames, D, pivoted orhinged to the vertical portions of the arch, and having at their upperends the projecting arms f, with the transverse rod or bar g connectingthe ends of the said arms, substantially as vand for the purposedescribed.

2. The combination of the arch E, the side frames, D, carrying attachedspindle-plates b, and pivoted or hinged at their extremities to thevertical portions of the arch, and having at their upper portions theprojecting arms j j', with the transverse rod or bar g connecting saidarms, and the plates or bars C, having swiveled connections at theirends with the side frames, whereby such plates or bars can rockindependent of the frames, substantially as described.

3. The combination of the arch E, the side frames, D, pivoted or hingedat their extremities to the vertical portions of the arch, and providedwith projecting arms ff, with the transverse rod g connecting the saidarms, the couplings h, secured to the upper and lower portions ot' theside frames and capable ot' adjustment thereon, and'the plates or barsG, having their ends swiveled to the couplings, substantially asdescribed.

4. The combination of the swinging side frames, D, ot' a height nearlyequal to the central elevation, with the arch E, supported by saidframes, whereby the straining ot' the arch is avoided, substantially asspecified.

FRANKLlN K. ORVIS. Witnesses L. L. BOND, H. L. PRICE.

